li {list-style: none;}
a {text-decoration: none;color: #333333;}
.px2rem(@name, @px){
    @{name}: @px / 75 * 1rem;
}

.webkit{
    display: -webkit-flex;
    display: -moz-flex;
}
.line-height(@arg){.px2rem(line-height, @arg);}
.font-size(@arg){.px2rem(font-size, @arg);}

.font(@fz,@color){
    .px2rem(font-size,@fz);
    color: @color;
}
.border-bottom(@px,@xian,@color){
    .px2rem(border-bottom-width,@px);
    border-bottom-style: @xian;
    border-bottom-color: @color;
}
.border-top(@px,@xian,@color){
    .px2rem(border-top-width,@px);
    border-top-style: @xian;
    border-top-color: @color;
}
.border(@px,@xian,@color){.px2rem(border-width,@px);border-style: @xian; border-color: @color;}

.padding-top(@top){.px2rem(padding-top, @top);}
.padding-right(@right){.px2rem(padding-right, @right);}
.padding-bottom(@bottom){.px2rem(padding-bottom, @bottom);}
.padding-left(@left){.px2rem(padding-left, @left);}

.padding(@top,@right,@bottom,@left){
   .px2rem(padding-top,@top);
   .px2rem(padding-right,@right);
   .px2rem(padding-bottom,@bottom);
   .px2rem(padding-left,@left);
}

.margin-top(@top){.px2rem(margin-top, @top);}
.margin-right(@right){.px2rem(margin-right, @right);}
.margin-bottom(@bottom){.px2rem(margin-bottom, @bottom);}
.margin-left(@left){.px2rem(margin-left, @left);}

.margin(@top,@right,@bottom,@left){
   .px2rem(margin-top,@top);
   .px2rem(margin-right,@right);
   .px2rem(margin-bottom,@bottom);
   .px2rem(margin-left,@left);
}
body,html{
    font-family: "微软雅黑";
    background: #f7f7f7;
    height: 100%;
}




main{
    .px2rem(padding-top,250);
    
header{
    ul{
        .header_active{
            background: #e25a1e;
            color: white;
        }
    }
}

nav{
    .px2rem(height,120);
//  .padding-top(130);
    background: #E25b1E;
    position: fixed;
    left:0;
    .px2rem(top,130);
    width: 100%;
    z-index: 88;
    .title{
                width:100%;
                .px2rem(height,60);
                display: flex;
                justify-content: center;
                align-items: center;
               .px2rem(height,120);
                span{
                    height: 100%;
                    display: block;
                    flex: 1;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    img{
                      .px2rem(height,60);
                      .px2rem(width,50);
                    }
                }
                p{
                    background: white;
                    overflow: hidden;
                    width: 60%; 
                    .px2rem(height,60);
                    .px2rem(border-radius,20);
                    border: 1px solid #CCCCCC;
                  display: flex;
                  align-items: center;
                  justify-content: center;  
                 
                #search{
                      width: 80%; 
                    border: none;
                    .padding-left(30);
                    height: 100%;
                }
                #search::placeholder{
                    color: #cfcfcf;
                     .font-size(25);
                     
                }
                i{
                    width: 20%;
                    height: 100%;
                    display: flex;
                  align-items: center;
                  justify-content: center;
                    img{
                  .px2rem(width,35);
                  .px2rem(height,40);
                }
                }
                
                }
               .screen{
                 flex: 1;  
                 height: 100%;
                 text-align: center;
                 display: flex;
                align-items: center;
                justify-content: center;
                   
                }
            
    }
    
}
  
    .list{
        position: fixed;
        left: 0;
        width: 100%;
        .px2rem(height,85);
        z-index: 99;
        .padding-top(10);
        .px2rem(padding-bottom,10);
        background: white;
        
        ul{
            .webkit();
            border-top: 1px solid #d6d6d6;
            border-bottom: 1px solid #d6d6d6;
            width: 100%;
            justify-content: space-around;
            .px2rem(height,85);
            
            align-items: center;
            .font-size(28);
            border-left: none;
            border-right: none;
            
            li{
                height: 100%;
                width: 20%;
                text-align: center;
                .px2rem(line-height,85);
                color: #6e6e6e;
                box-sizing: border-box;
                .down{
                    .px2rem(margin-left,10);
                    color: #ff4a01;
                }
            }
            .active{
              border-bottom: 5px solid #e25a1e; 
              color: #e25a1e; 
              box-sizing: border-box;
            }
        }
    }
section{
       .padding-top(100); 
    .content{
        .margin-top(10);
          width: 95%;
         margin-left: 2.5%;
        .px2rem(height,326);
        border: 0.5px solid #d6d6d6;
        .margin-top(10);
        .px2rem(border-radius,15);
        background: white;
        
        ul{
             width: 95%;
             padding-left: 2.5%;
             .padding-top(15);
             
            .webkit();
            justify-content: space-between;
            
            .icon{
                border-bottom: 1px solid #CCCCCC;
                .padding-bottom(15);
                img{
                    .px2rem(width,92);
                    .px2rem(height,92);
                }
            }
            .data{
                flex:1;
                .padding-left(25);
                border-bottom: 1px solid #CCCCCC;
                background: white;
                .name{
                    .font-size(35);
                    color: #282828;
                    font-weight: bold;
                    //.padding-bottom(16);
                }
                .demo{
                    img{
                    .px2rem(width,150);
                    .px2rem(height,40);
                    vertical-align: middle;
                    }
                   
                }
                .demo_v{
                    .font-size(20);
                    color: #fa7d00;
                    .padding-top(13);
                    .padding-left(5);
                }
            }
            
            
            .Price{
                .padding-top(10);
                .padding-left(80);
                .line-height(42);
                border-bottom: 1px solid #CCCCCC;
                 background: white;
                .default{
                    color: #b9b9b9;
//                  .padding-bottom(10);
                    .font-size(22);
                }
                p:nth-child(2){
                    // color: #fa7d00;
                     .font-size(22);
                }
            }
        }
        
        .information{
            ul{
                .padding-top(25);
                li{
                    .font-size(26);
                    color: #282828;
                    p{
                        span:nth-child(1){
                            img{
                                .px2rem(height,27);
                              .px2rem(width,31);
                              .padding-left(10);
                              vertical-align: middle;
                            }
                        }
                        span:nth-child(2){
                            img{
                               .px2rem(height,33);
                                .px2rem(width,30);
                                .padding-left(10);
                                vertical-align: middle;
                            }
                        }
                        span:nth-child(3){
                            img{
                               .px2rem(height,33);
                                .px2rem(width,33);
                                .padding-left(10);
                                vertical-align: middle;
                            }
                        }
                        span:nth-child(4){
                            img{
                               .px2rem(height,29);
                                .px2rem(width,33);
                                .padding-left(10);
                                vertical-align: middle;
                            }
                        }
                        
                        .title{
                                .padding-left(38);
                            }
                    }
                    .certificate{
                        .padding-left(63);
                        color: #CCCCCC;
                    }
                }
            }
        }
    }
    
}








}

   
#Nopick{
    
     .px2rem(height,320);
     .px2rem(width,360);
     position: fixed;
      right: 0;
     bottom: 0;
    overflow: hidden;
    img{
      .px2rem(height,445);
     .px2rem(width,446); 
     position: absolute;
      right: -24%;
     bottom: -70%;
//   z-index: 99;
    animation-name: donghua;   
    animation-duration: 6s;
    animation-iteration-count: infinite;
    }
    p{
        z-index: 222;
     .px2rem(height,100);
     .px2rem(width,100);  
     position: fixed;
     right: 0%;
     bottom: -10%;
     z-index: 100;
     animation-name: donghuas;    
    animation-duration: 6s;   
    animation-iteration-count: infinite;
    }
}
@keyframes donghuas{
            0%{
               bottom: -15%;
            }
           30%{
               bottom: 0%;              
           }
           70%{
               bottom: 0%; 
           }
            100%{
               bottom: -15%;
            }
        }
@keyframes donghua{
            0%{
               bottom: -70%;
            }
           
           30%{
               bottom: -39%;              
           }
           70%{
              bottom: -39%; 
           }
            100%{
               bottom: -70%;
            }
        }